(AP Photo/Richard Vogel). A Tesla emblem is seen on the back end of a Model S in the Tesla showroom in Santa Monica, Calif., on Wednesday, Aug. 8, 2018. Board members at Tesla are evaluating CEO and Chairman Elon Musk's $72 billion proposal to take the...

Tesla shares have dropped back to near the level they were trading at before CEO Elon Musk tweeted Tuesday that he may take the company private.More >>

Tesla shares have dropped back to near the level they were trading at before CEO Elon Musk tweeted Tuesday that he may take the company private.More >>

(AP Photo/Marcio Jose Sanchez). University of California students, from left, Anjali Banerjee, Alice Ma and Tyler Heintz walk near the university's campus Wednesday, June 6, 2018, in, Berkeley, Calif. The students who were in Nice, France when a terror...

University of California, Berkeley students who were in the French city of Nice when a man drove a 19-ton truck through the crowd, killing their classmate and 85 other people, have turned their grief into building...

University of California, Berkeley students who were in the French city of Nice when a man drove a 19-ton truck through the crowd, killing their classmate and 85 other people, have turned their grief into building a tech startup to fight terrorism.

(AP Photo/Jeff Chiu). In this July 25, 2018 photo, Kalyanaraman Shankari poses for photos in Mountain View, Calif. An Associated Press investigation shows that using Google services on Android devices and iPhones allows the search giant to record your ...